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Another example: Using the standard search, a user would search for something like [wetland + "dc.author=Mitsch, William J" + dc.subject="water quality" ]. With filtered search, they can start by searching for [wetland ], and then filter the results by the other attributes, author and subject.

What is a tag cloud facet

Tag cloud facet is another way to display facets of your repository in a “tag cloud” form in which the importance of each tag is show with font size or color. This format is useful for quickly perceiving the most prominent terms.

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This is a classic “tag cloud” facet in a DSpace repository.

Discovery Changelist

DSpace 4.0

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Sidebar browse facets that can be configured to use contents from any metadata field

Dynamically generated timespans for dates

Customizable "recent submissions" view on the repository homepage, collection and community pages

Hit highlighting & search snippets

DSpace 5.0

However, the tag cloud facet feature is disabled by default. In order to enable it, you will need to set up the corresponding processor that the PluginManager will load to actually perform the tag cloud query on the relevant pages. This is configured in the dspace.cfg configuration file with the following options:

The tag cloud has been declared there for you but it is commented out.

Enabling Discovery

Because Discovery was adopted as the default infrastructure for search and browse in DSpace 4, no manual steps are required to enable Discovery. If you want to enable Discovery on older versions of DSpace, please refer to the DSpace documentation for that particular version.

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Class:

DiscoveryConfigurationService

Purpose:

Defines the mapping between separate Discovery configurations and individual collections/communities

Default:

All communities, collections and the homepage (key=default) are mapped to defaultConfiguration

Defines the tag cloud appearance configuration bean and the search filter facets to appear in the tag cloud form. You can have different “TagCloudFacetConfiguration” per community or collection or the home page

tagCloudConfiguration: is the bean that described the actual appearance parameters

tagCloudFacets: the search filter facets that will be used for the tag cloud. If you leave the list empty, no tag cloud will appear. If yu declare more than one, equal number of tag cloud will appear for each search filter the one after the other.

The appearance configuration can have the following properties, as shown in the following bean: